/Engine/Source/Runtime/Datasmith/CADKernel/Public/CADKernel/Geo/Sampling/PolylineTools.h
double ComputeLengthOfSubPolyline ( const int BoundaryIndex, const [FLinearBoundary](API\Runtime\CADKernel\CADKernel\Math\FLinearBoundary) & InBoundary ) const